Finding the Fourth Proportional to 212,497.64, 318,781.05 and 62,753.07
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Solution
The fourth proportional to 212,497.64, 318,781.05 and 62,753.07 is: 94,139.82
Step by Step Solution
- Step 1: Write the proportion equation
212,497.64 : 318,781.05 = 62,753.07 : x - Step 2: Convert to fraction form
212,497.64/318,781.05 = 62,753.07/x - Step 3: Cross multiply
212,497.64x = 318,781.05 × 62,753.07 - Step 4: Simplify right side
212,497.64x = 20,004,489,545.32 - Step 5: Solve for x
x = 20,004,489,545.32/212,497.64 - Step 6: Final answer
x = 94,139.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.